Adds additional remedies to more severe symptoms (#30580)

* adds defines and code for physical treatments

* adds wetness check and evaporation for combustion symptom

* adds sleep as treatment for vomiting

* adds treatment to flesheating

* adjustments

code/__DEFINES/dcs/mob_signals.dm

@@ -208,6 +208,9 @@
 	///cancel eating attempt
 	#define COMSIG_MOB_CANCEL_EAT (1<<0)
 
+/// From /datum/status_effect/incapacitating/sleeping/tick()
+#define COMSIG_MOB_SLEEP_TICK "mob_sleep_tick"
+
 /// From /datum/element/basic_eating/finish_eating()
 #define COMSIG_MOB_ATE "mob_ate"
 	///cancel post eating

code/__DEFINES/disease_defines.dm

@@ -5,8 +5,10 @@
 #define VIRUS_SYMPTOM_LIMIT	6
 
 /// The maximum amount of time a symptom will be delayed for after the treating reagents have left the body
-#define VIRUS_MAX_TREATMENT_TIMER 300
-#define VIRUS_TREATMENT_TIMER_MOD 2
+#define VIRUS_MAX_CHEM_TREATMENT_TIMER 300
+#define VIRUS_CHEM_TREATMENT_TIMER_MOD 2
+#define VIRUS_MAX_PHYS_TREATMENT_TIMER 90
+#define VIRUS_PHYS_TREATMENT_TIMER_MOD 30
 
 /// Evoltion chance each cycle in percents.
 /// The base chance in % that a virus will mutate as it spreads. Further modified by stage speed and the viral evolutionary acceleration trait